methods = {
    "a": {"cn_name":"时间均摊法","en_abbr":'AG'},
    "b": {"cn_name":"时间总和法","en_abbr":'IO'},
    "c": {"cn_name":"时间逆总和法","en_abbr":'RS'}
}

universes = {
    "a": {"cn_name":"苏宁大陆华泰","en_name":'SNDL_HT'},
    "b": {"cn_name":"苏宁香港人保","en_name":'SNHK_RB'},
    "c": {"cn_name":"苏宁大陆人保","en_name":'SNDL_RB'},
    "d": {"cn_name":"联想人保","en_name":'LX_RB'}
}